訂貨號規(guī)格(mm)工作面的平直度(um)兩工作面間的平行度(um)工作面于側(cè)面的垂直度(um)每對平行規(guī)的等高度(um)精度00精度0精度00精度0精度00精度0精度00精度0HT51-517100×63×161.531.535101.53HT51-518160×40×251.531.535101.53HT51-519250×40×252424102024HT51-520400×63×404848153048HT51-521630×100×636126122040612